JP6855869B2 - 永久磁石電動機 - Google Patents

永久磁石電動機 Download PDF

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Publication number
JP6855869B2
JP6855869B2 JP2017058290A JP2017058290A JP6855869B2 JP 6855869 B2 JP6855869 B2 JP 6855869B2 JP 2017058290 A JP2017058290 A JP 2017058290A JP 2017058290 A JP2017058290 A JP 2017058290A JP 6855869 B2 JP6855869 B2 JP 6855869B2
Authority
JP
Japan
Prior art keywords
peripheral side
outer peripheral
iron core
side iron
permanent magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2017058290A
Other languages
English (en)
Japanese (ja)
Other versions
JP2018161020A (ja
Inventor
村上　正憲
正憲 村上
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu General Ltd
Original Assignee
Fujitsu General Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujitsu General Ltd filed Critical Fujitsu General Ltd
Priority to JP2017058290A priority Critical patent/JP6855869B2/ja
Priority to CN201810242249.1A priority patent/CN108631467B/zh
Priority to EP18163410.6A priority patent/EP3379697A1/de
Priority to US15/928,581 priority patent/US10622855B2/en
Publication of JP2018161020A publication Critical patent/JP2018161020A/ja
Application granted granted Critical
Publication of JP6855869B2 publication Critical patent/JP6855869B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/04—Details of the magnetic circuit characterised by the material used for insulating the magnetic circuit or parts thereof
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
    • H02K2203/12—Machines characterised by the bobbins for supporting the windings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/15—Mounting arrangements for bearing-shields or end plates
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
    • H02K5/173—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
    • H02K5/1732—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings radially supporting the rotary shaft at both ends of the rotor

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)
  • Motor Or Generator Frames (AREA)
  • Permanent Magnet Type Synchronous Machine (AREA)
JP2017058290A 2017-03-23 2017-03-23 永久磁石電動機 Active JP6855869B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2017058290A JP6855869B2 (ja) 2017-03-23 2017-03-23 永久磁石電動機
CN201810242249.1A CN108631467B (zh) 2017-03-23 2018-03-22 永磁体电动机
EP18163410.6A EP3379697A1 (de) 2017-03-23 2018-03-22 Permanentmagnet-elektromotor
US15/928,581 US10622855B2 (en) 2017-03-23 2018-03-22 Permanent magnet electric motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2017058290A JP6855869B2 (ja) 2017-03-23 2017-03-23 永久磁石電動機

Publications (2)

Publication Number Publication Date
JP2018161020A JP2018161020A (ja) 2018-10-11
JP6855869B2 true JP6855869B2 (ja) 2021-04-07

Family

ID=61763803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2017058290A Active JP6855869B2 (ja) 2017-03-23 2017-03-23 永久磁石電動機

Country Status (4)

Country Link
US (1) US10622855B2 (de)
EP (1) EP3379697A1 (de)
JP (1) JP6855869B2 (de)
CN (1) CN108631467B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109555718A (zh) * 2019-01-24 2019-04-02 全小华 高速永磁无刷轴流风机
JP7334450B2 (ja) * 2019-04-16 2023-08-29 株式会社富士通ゼネラル 回転子ならびに回転子を備えた電動機
CN113315281B (zh) * 2020-02-27 2022-11-08 盾安环境技术有限公司 转子冲片、转子组件及电机
JP7400596B2 (ja) * 2020-03-31 2023-12-19 株式会社富士通ゼネラル 永久磁石電動機
JP7501403B2 (ja) * 2021-02-25 2024-06-18 ニデック株式会社 ロータ及びそれを備えたｉｐｍモータ

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3689877B2 (ja) * 1995-11-22 2005-08-31 草津電機株式会社 永久磁石電動機の回転子
JP4803525B2 (ja) * 2004-04-12 2011-10-26 株式会社一宮電機 ブラシレスモータ用ロータ、及びブラシレスモータ
JP4995504B2 (ja) * 2006-07-13 2012-08-08 東洋ゴム工業株式会社 環状構造体
JP5000262B2 (ja) * 2006-10-23 2012-08-15 三菱電機株式会社 回転電機用回転子
CN102334265B (zh) * 2009-02-26 2013-10-30 松下电器产业株式会社 电动机和具有该电动机的电设备
TW201036305A (en) * 2009-03-31 2010-10-01 jia-qing Lin DC 6-phase brushless motor
CN201623555U (zh) * 2010-02-25 2010-11-03 江苏富天江电子电器有限公司 一种磁钢的固定结构
JP4674655B2 (ja) * 2010-05-31 2011-04-20 パナソニック株式会社 モータ
JP5634383B2 (ja) * 2011-11-18 2014-12-03 三菱電機株式会社 回転電機用ロータおよび電動パワーステアリング用モータ
CN202978488U (zh) * 2012-11-30 2013-06-05 中山大洋电机股份有限公司 一种减震转子结构
WO2014141656A1 (ja) * 2013-03-15 2014-09-18 パナソニック株式会社 電動機およびこの電動機を備えた電気機器
JP6218576B2 (ja) * 2013-11-28 2017-10-25 三菱電機株式会社 回転電機の回転子、回転電機、回転子の製造方法、回転電機の製造方法、回転子の鉄心部材
CN204030755U (zh) * 2014-06-24 2014-12-17 中山大洋电机股份有限公司 一种电机转子及应用其的塑封电机
DE102015203257A1 (de) * 2015-02-24 2016-08-25 Robert Bosch Gmbh Rotor für eine elektrische Maschine mit vorteilhafter Drehmomentübertragung sowie entsprechende elektrische Maschine

Also Published As

Publication number Publication date
US20180278105A1 (en) 2018-09-27
JP2018161020A (ja) 2018-10-11
CN108631467A (zh) 2018-10-09
EP3379697A1 (de) 2018-09-26
CN108631467B (zh) 2021-11-05
US10622855B2 (en) 2020-04-14

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